package com.blvtphan.tipocketclubs.certificate;

import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.UnknownHostException;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.TrustManager;

import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.conn.scheme.LayeredSocketFactory;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;


public class FTEasySSLSocketFactory implements LayeredSocketFactory {

    private SSLContext sslcontext = null;

    private SSLContext createEasySSLContext() throws IOException {
            try {
                    SSLContext context = SSLContext.getInstance("TLS");
                    context.init(null, new TrustManager[] { new FTEasyX509TrustManager(
                                    null) }, null);
                    return context;
            } catch (Exception e) {
                    throw new IOException(e.getMessage());
            }
    }

    public SSLContext getSSLContext() throws IOException {
            if (this.sslcontext == null) {
                    this.sslcontext = createEasySSLContext();
            }
            return this.sslcontext;
    }

    /**
     * @see org.apache.http.conn.scheme.SocketFactory#connectSocket(java.net.Socket,
     *      java.lang.String, int, java.net.InetAddress, int,
     *      org.apache.http.params.HttpParams)
     */
    public Socket connectSocket(Socket sock, String host, int port,
                    InetAddress localAddress, int localPort, HttpParams params)
                    throws IOException, UnknownHostException, ConnectTimeoutException {
            int connTimeout = HttpConnectionParams.getConnectionTimeout(params);
            int soTimeout = HttpConnectionParams.getSoTimeout(params);

            InetSocketAddress remoteAddress = new InetSocketAddress(host, port);
            SSLSocket sslsock = (SSLSocket) ((sock != null) ? sock : createSocket());

            if ((localAddress != null) || (localPort > 0)) {
                    // we need to bind explicitly
                    if (localPort < 0) {
                            localPort = 0; // indicates "any"
                    }
                    InetSocketAddress isa = new InetSocketAddress(localAddress,
                                    localPort);
                    sslsock.bind(isa);
            }

            sslsock.connect(remoteAddress, connTimeout);
            sslsock.setSoTimeout(soTimeout);
            return sslsock;

    }

    /**
     * @see org.apache.http.conn.scheme.SocketFactory#createSocket()
     */
    public Socket createSocket() throws IOException {
            return getSSLContext().getSocketFactory().createSocket();
    }

    /**
     * @see org.apache.http.conn.scheme.SocketFactory#isSecure(java.net.Socket)
     */
    public boolean isSecure(Socket socket) throws IllegalArgumentException {
            return true;
    }

    /**
     * @see org.apache.http.conn.scheme.LayeredSocketFactory#createSocket(java.net.Socket,
     *      java.lang.String, int, boolean)
     */
    public Socket createSocket(Socket socket, String host, int port,
                    boolean autoClose) throws IOException, UnknownHostException {
    return getSSLContext().getSocketFactory().createSocket(socket, host, port, autoClose);
    }

    // -------------------------------------------------------------------
    // javadoc in org.apache.http.conn.scheme.SocketFactory says :
    // Both Object.equals() and Object.hashCode() must be overridden
    // for the correct operation of some connection managers
    // -------------------------------------------------------------------

    public boolean equals(Object obj) {
            return ((obj != null) && obj.getClass().equals(
                            FTEasySSLSocketFactory.class));
    }

    public int hashCode() {
            return FTEasySSLSocketFactory.class.hashCode();
    }

}
